Patents by Inventor Keiichi Shibagaki

Keiichi Shibagaki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20190293661
    Abstract: The disclosure provides a method of predicting the responsiveness of a wet AMD patient to anti-VEGF therapy comprising (1) determining the level of at least one marker protein selected from the group consisting of TGF-beta, BMP9, angiopoietin-1, and angiopoietin-2 in a blood, plasma or serum sample obtained from the patient, and (2) predicting the responsiveness of the patient to the anti-VEGF therapy with reference to the level determined in step (1), as well as a diagnostic agent for use in the method.
    Type: Application
    Filed: November 30, 2017
    Publication date: September 26, 2019
    Applicant: Santen Pharmaceutical Co., Ltd.
    Inventors: Keiichi Shibagaki, Masanao Toshimori, Koji Oka, Shingo Maeda, Hiroshi Inoue
  • Publication number: 20100130569
    Abstract: The invention provides a novel prophylactic or therapeutic agent for a posterior ocular disease. Pramipexole which is a non-ergot selective D2 receptor agonist or a salt thereof exhibits excellent inhibitory effect on neovascularization, suppressive effect on photoreceptor cell damage and suppressive effect on vascular hyperpermeability in a posterior ocular tissue such as choroid or retina, and is therefore useful as a prophylactic or therapeutic agent for a posterior ocular disease such as age-related macular degeneration, diabetic retinopathy or diabetic macular edema.
    Type: Application
    Filed: May 9, 2008
    Publication date: May 27, 2010
    Applicant: SATEN PHARMACEUTICAL CO., LTD.
    Inventors: Kazuyoshi Okamoto, Keiichi Shibagaki
  • Publication number: 20090270474
    Abstract: An object of the present invention is to discover a new use of eprosartan or a salt thereof. Eprosartan or a salt thereof exhibits an excellent improving effect in a corneal disorder model, and therefore is useful as a therapeutic agent for a keratoconjunctival disorder such as dry eyes, corneal ulcer, keratitis, conjunctivitis, superficial punctate keratopathy, corneal epithelial defects, conjunctival epithelial defects, keratoconjunctivitis sicca, superior limbic keratoconjunctivitis and filamentary keratitis.
    Type: Application
    Filed: December 6, 2006
    Publication date: October 29, 2009
    Inventors: Keiichi Shibagaki, Shin-ichiro Hirai, Masatsugu Nakamura
  • Publication number: 20090042962
    Abstract: An object of the present invention is to research a therapeutic agent for a keratoconjunctival disorder. A compound represented by the following general formula (1) or a salt thereof exhibits an excellent improving effect on corneal disorder models, and therefore is useful as a therapeutic agent for a keratoconjunctival disorder such as dry eyes, corneal ulcer, keratitis or conjunctivitis. In the formula, the ring Y represents a substituted or unsubstituted nitrogen-containing heterocyclic ring; R1 represents a carboxy group or a substituted or unsubstituted nitrogen-containing 5-membered heterocyclic ring; and R2 and R3 may be the same or different and represent a hydrogen atom, a substituted or unsubstituted alkyl group or a substituted or unsubstituted alkylcarbonyl group.
    Type: Application
    Filed: April 21, 2006
    Publication date: February 12, 2009
    Applicant: SANTEN PHARMACEUTICAL CO., LTD.
    Inventors: Keiichi Shibagaki, Shin-ichiro Hirai, Masatsugu Nakamura
  • Publication number: 20080070958
    Abstract: An object of the present invention is to research a new medicinal use of E-4-[4-(5-methyl-2-phenyl-4-oxazolylmethoxy) benzyloxyimino]-4-phenylbutyric acid, Z-2-[4-(5-methyl-2-phenyl-4-oxazolylmethoxy) benzyloxyimino]-2-(4-phenoxyphenyl)acetic acid, 2-[2-propyl-3-[3-[2-ethyl-4-(4-fluorophenyl)-5-hydroxyphenoxy]propoxy]phenoxy] benzoic acid, 2(S)-methoxy-3-[4-[3-(4-phenoxyphenoxy)propoxy]phenyl] propionic acid, or a salt thereof. Any of the above-mentioned carboxylic acid compounds and a salt thereof exhibit an excellent improving effect on corneal disorder models and are useful as a therapeutic agent for a keratoconjunctival disorder such as dry eyes, corneal ulcer, keratitis, conjunctivitis, superficial punctate keratopathy, corneal epithelial defects, conjunctival epithelial defects, keratoconjunctivitis sicca, superior limbic keratoconjunctivitis or filamentary keratitis.
    Type: Application
    Filed: September 13, 2005
    Publication date: March 20, 2008
    Applicant: SANTEN PHARMACEUTICAL CO., LTD.
    Inventors: Masatsugu Nakamura, Shin-ichiro Hirai, Keiichi Shibagaki